bids are invited for custom bid for services - --1. civil work for open badminton court: preparation of level ground and construction of concrete base for badminton court (a) providing and laying concrete base leaning & chipping 2 the existing surface of proposed area (b) providing slope towards or as per site requirement as per drainage requirement (c) providing and laying 2 compacted thickness of 14.8 concrete mix over existing surface and after two days curing period providing and laying another layer 2 compacted thickness of 12:4 concrete mixture curing the same for 14 to 15 2 days time all complete interlocking polypropylene tiles for open badminton court: surfacing interlocking polypropylene badminton modular tiles type of inter locking tiles fit flex badminton court material polypropylene and co polypropylene length 12 inches x width, 12 inches thickness, 15.8mm shock absorption 35 % ball rebound 98 % lifespan 3.5 kg per square meters marking as per the norms s